Originally Posted by username

I had a similar problem in my 05 gto when i had a clutch/flywheel installed. It wasnt this loud but it only made a grinding noise when the clutch was pressed in and out, had nothing to do with going in/out of gear. It turned out to be my pilot bearing for some odd reason. I dont know if this would have anything to do with your problem at all but figured i'd give an idea.